Hansen, R. D. (1979). Beyond the North-South stalemate. McGraw-Hill Book Co..
Chicagoスタイル(17版)引用形式Hansen, Roger D. Beyond the North-South Stalemate. New York: McGraw-Hill Book Co., 1979.
MLA(9版)引用形式Hansen, Roger D. Beyond the North-South Stalemate. McGraw-Hill Book Co., 1979.
警告: この引用は必ずしも正確ではありません.